import pybase64

print(pybase64.b64encode(b'>>>foo???', altchars='_:'))
# b'Pj4_Zm9vPz8:'
print(pybase64.b64decode(b'Pj4_Zm9vPz8:', altchars='_:', validate=True))
# b'>>>foo???'

# Standard encoding helpers
print(pybase64.standard_b64encode(b'>>>foo???'))
# b'Pj4+Zm9vPz8/'
print(pybase64.standard_b64decode(b'Pj4+Zm9vPz8/'))
# b'>>>foo???'

# URL safe encoding helpers
print(pybase64.urlsafe_b64encode(b'>>>foo???'))
# b'Pj4-Zm9vPz8_'
print(pybase64.urlsafe_b64decode(b'Pj4-Zm9vPz8_'))
# b'>>>foo???'

.. begin cli

A command-line tool is also provided. It has encode, decode and benchmark subcommands.

.. code::

usage: pybase64 [-h] [-V] {benchmark,encode,decode} ...

pybase64 command-line tool.

positional arguments:
  {benchmark,encode,decode}
                        tool help
    benchmark           -h for usage
    encode              -h for usage
    decode              -h for usage

optional arguments:
  -h, --help            show this help message and exit
  -V, --version         show program's version number and exit

.. end cli

Full documentation on Read the Docs <http://pybase64.readthedocs.io/en/stable/?badge=stable>_.

Benchmark

.. begin benchmark

Running Python 3.7.2, Apple LLVM version 10.0.0 (clang-1000.11.45.5), Mac OS X 10.14.2 on an Intel Core i7-4870HQ @ 2.50GHz

.. code::

pybase64 0.5.0 (C extension active - AVX2)
bench: altchars=None, validate=False
pybase64._pybase64.encodebytes:   1734.776 MB/s (13,271,472 bytes -> 17,928,129 bytes)
pybase64._pybase64.b64encode:     4039.539 MB/s (13,271,472 bytes -> 17,695,296 bytes)
pybase64._pybase64.b64decode:     1854.423 MB/s (17,695,296 bytes -> 13,271,472 bytes)
base64.encodebytes:                 78.352 MB/s (13,271,472 bytes -> 17,928,129 bytes)
base64.b64encode:                  539.840 MB/s (13,271,472 bytes -> 17,695,296 bytes)
base64.b64decode:                  287.826 MB/s (17,695,296 bytes -> 13,271,472 bytes)
bench: altchars=None, validate=True
pybase64._pybase64.b64encode:     4156.607 MB/s (13,271,472 bytes -> 17,695,296 bytes)
pybase64._pybase64.b64decode:     4107.997 MB/s (17,695,296 bytes -> 13,271,472 bytes)
base64.b64encode:                  559.342 MB/s (13,271,472 bytes -> 17,695,296 bytes)
base64.b64decode:                  143.674 MB/s (17,695,296 bytes -> 13,271,472 bytes)
bench: altchars=b'-_', validate=False
pybase64._pybase64.b64encode:     2786.776 MB/s (13,271,472 bytes -> 17,695,296 bytes)
pybase64._pybase64.b64decode:     1124.136 MB/s (17,695,296 bytes -> 13,271,472 bytes)
base64.b64encode:                  322.427 MB/s (13,271,472 bytes -> 17,695,296 bytes)
base64.b64decode:                  205.195 MB/s (17,695,296 bytes -> 13,271,472 bytes)
bench: altchars=b'-_', validate=True
pybase64._pybase64.b64encode:     2806.271 MB/s (13,271,472 bytes -> 17,695,296 bytes)
pybase64._pybase64.b64decode:     2740.456 MB/s (17,695,296 bytes -> 13,271,472 bytes)
base64.b64encode:                  314.709 MB/s (13,271,472 bytes -> 17,695,296 bytes)
base64.b64decode:                  121.803 MB/s (17,695,296 bytes -> 13,271,472 bytes)

.. end benchmark

.. begin changelog

Changelog

1.4.3

Publish Android Python 3.14 wheels
Publish GraalPy v25 wheels

1.4.2

Update base64 library (Windows ARM64 Neon support)
Publish Python 3.14 wheels
Publish Linux riscv64 wheels
Publish Android wheels
Publish iOS wheels
Publish GraalPy wheels

1.4.1

Publish PyPy 3.11 wheels
Publish armv7l wheels

1.4.0

Publish python 3.13 wheels
Add support for free-threaded builds
Add MSYS2 support for C-extension
Better logging on base64 build failure when C-extension build is optional
Drop python 3.6 & 3.7 support

1.3.2

Update base64 library
PyPy: fix wrong outcome with non C-contiguous buffer

1.3.1

Add missing py.typed marker

1.3.0

Update base64 library
Add AVX512-VBMI implementation
Rework extension build to remove adherence on distutils
Publish python 3.12 wheels
Documentation now uses furo theme

1.2.3

Update base64 library
Publish python 3.11 wheels

1.2.2

Update base64 library
Fix C extension build on musl distros
Publish musllinux wheels

1.2.1

Publish PyPy 3.8 (pypy38_pp73) wheels

1.2.0

Release the GIL
Publish CPython 3.10 wheels
Drop python 3.5 support

1.1.4

Add macOS arm64 wheel

1.1.3

GitHub Actions: fix build on tag

1.1.2

Add PyPy wheels
Add aarch64, ppc64le & s390x manylinux wheels

1.1.1

Move CI from TravisCI/AppVeyor to GitHub Actions
Fix publication of Linux/macOS wheels

1.1.0

Add b64encode_as_string, same as b64encode but returns a str object instead of a bytes object
Add b64decode_as_bytearray, same as b64decode but returns a bytarray object instead of a bytes object
Speed-Up decoding from UCS1 strings

1.0.2

Update base64 library
Publish python 3.9 wheels

1.0.1

Publish python 3.8 wheels

1.0.0

Drop python 3.4 support
Drop python 2.7 support

0.5.0

Publish python 3.7 wheels
Drop python 3.3 support

0.4.0

Speed-up decoding when validate==False

0.3.1

Fix deployment issues

0.3.0

Add encodebytes function

0.2.1

Fixed invalid results on Windows

0.2.0

Added documentation
Added subcommands to the main script:
- help
- version
- encode
- decode
- benchmark

0.1.2

Updated base64 native library

0.1.1

Fixed deployment issues

0.1.0

First public release

.. end changelog

分类

Development Status :: 5 - Production/Stable Intended Audience :: Developers License :: OSI Approved :: BSD License Programming Language :: C Programming Language :: Python :: 3 Programming Language :: Python :: 3.10 Programming Language :: Python :: 3.11 Programming Language :: Python :: 3.12 Programming Language :: Python :: 3.13 Programming Language :: Python :: 3.14 Programming Language :: Python :: 3.8 Programming Language :: Python :: 3.9 Topic :: Software Development :: Libraries :: Python Modules Topic :: Utilities

版本列表

1.4.3 2025-12-06

1.4.2 2025-07-27

1.4.1 2025-03-02

1.4.0 2024-08-04

1.3.2 2024-01-01

1.3.1 2023-09-30

1.3.0 2023-08-19

1.2.3 2022-08-27

1.2.2 2022-06-06

1.2.1 2021-12-24

1.2.0 2021-08-16

1.1.4 2021-01-31

1.1.3 2021-01-23

1.1.1 2020-12-05

1.1.0 2020-12-05

1.0.2 2020-10-17

1.0.1 2019-11-10

1.0.0 2019-07-01

0.5.0 2019-02-05

0.4.0 2018-04-06

0.3.1 2018-04-02

0.3.0 2018-04-02

0.2.1 2017-09-03

0.2.0 2017-08-30

0.1.2 2017-08-26

0.1.1 2017-07-30

0.1.0 2017-07-30